Foraging by Northern Fulmars (Fulmaris glacialis) at a Nearshore, Anticyclonic Tidal Eddy in the Northern Bering Sea, Alaska

31 December 1987

journal article
research article
Published by JSTOR in Colonial Waterbirds

Vol. 11 (2) , 318-321
https://doi.org/10.2307/1521017

Abstract

Northern Fulmars (Fulmairs glacialis) fed on ice-associated macrofauna (probably gammarid amphipods) and pinniped offal concentrated by convergent flow at an eddy boundary near Northwest Cape on St. Lawerence Island, Alaska. The eddy was anticyclonic, measured approximately 1.5 by 2.25 km, and was genearted by nearshore streaming induced by the cape''s topography during lesser flood stage of the tidal cycle. These favorable feeding conditions persisted only for a few hours on a single day (22 May 1987). Like-man assisted scavenging, this observation suggest that nautral feeding by fulmars can be highly opportunistic and time-dependent.

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